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Ernst Wilhelm Büchner (18 March 1850 – 25 April 1924) was the German industrial chemist after whom the Büchner flask and Büchner funnel are named. The patent for his two inventions was published in 1888.
A Büchner funnel is a piece of laboratory equipment used in filtration. [1] It is traditionally made of porcelain , but glass and plastic funnels are also available. On top of the funnel-shaped part there is a cylinder with a fritted glass disc/perforated plate separating it from the funnel.
A funnel for hot filtration Two funnels, A - a simple stemmed funnel. B - a ground glass powder funnel. Plain funnels exist in various dimensions, with longer or shorter necks. Filter funnels have a neck of a thin capillary tube and ribs which increase the filter-papers' effectiveness and thus accelerate the process of filtering. [1]
Büchner flask A Büchner funnel is attached to the flask via a black elastomer adapter. The hose barb is connected via vacuum hose to a vacuum source such as an aspirator. The flask should be clamped before use or the hose will likely cause it to tip. Cross section of a Büchner Flask.
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The Cincinnati Health Department (CHD) is a municipal agency for the City of Cincinnati, Ohio, that runs health centers, lab services, communicable disease experts, environmental services and other public health programs. It was founded in 1826. [1]
Garth Fisher (born September 1, 1958), is an American plastic surgeon best known as the first doctor selected for the ABC television show Extreme Makeover.Fisher's clientele includes entertainers, celebrities and business executives and he specializes in aesthetic/cosmetic plastic surgery of the face, nose, breast and other parts of the body.
TriHealth is a unified health system based in Cincinnati, Ohio, United States. [1] It was originally formed in 1995. Currently the system comprises four general hospitals: Bethesda North, Good Samaritan, Bethesda Butler [2] and McCullough-Hyde Memorial. In addition to these four hospitals TriHealth operates two regional free-standing emergency ...